Math Chapter Wise question with answer

Q01 If n is a positive integer and n k k C = C, then 2 n 3 k k =1 k–1 C k C ∑ ∑ equal: English · EMRS TGT-2023 Q02 If () n n r r r =0 1+ x = C x, ∑ ∑ then 1 2 0 1 C C 1+ 1+ C C... 3 n 2 n C C 1+ 1+ C C –1 is equal to: English · EMRS TGT-2023 Q03 If (1 + x)n = C0 + C1x + C2x2 +.... + Cnxn, then value of 0 1 2 n C C C C + + +...+ 2 3 4 n + 2 is equal to: English · NVS PGT 2022 Q04 The value of a if 17th and 18th terms in the expansion of (2+a)50 are equal is: English · OAVS TGT 2019 Q05 In the expansion of (1 + x)43, the co-efficients of (2r + 1)th and (r + 2)th terms are equal, then the value of r i... English · UKPSC GIC 2018 Q06 The value of the expression 26 31 30 29 28 27 26 4 4 4 4 4 4 5 C C C C C C C + + + + + + + + + + + + + + + + + + +... English · KVS PGT 23-12-2018